darkcomet | bf9c152d5560b6af2440443e60392c36c929aa9e8e3533cb2fdee1d81a5103fe

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 09:37

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General

Target

a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Size

756KB
MD5

a12fdc7666d5f49dcaecec877e82b6f5
SHA1

c29c5d4c36228f30966da342f314a18b51dbe443
SHA256

bf9c152d5560b6af2440443e60392c36c929aa9e8e3533cb2fdee1d81a5103fe
SHA512

a47ccce5db58d78a050ef1e5116a419101db0b183b24347183ec601724d4ffb85b57bc993f755434a6997b97db929c8c54ce949950627bf1136395dec840cb9f
SSDEEP

12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ha:aZ1xuVVjfFoynPaVBUR8f+kN10EBM

Score

10^/10

darkcomet nigger discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Nigger

xxcam950xx.no-ip.biz:1604

192.168.1.64:1604

127.0.0.1:1604

Mutex

DC_MUTEX-2Y05ZB9

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
eGg32JQ55nRg
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5028	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeSecurityPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeSystemtimePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeBackupPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeRestorePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeShutdownPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeDebugPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeUndockPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeManageVolumePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeImpersonatePrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: 33	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: 34	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: 35	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: 36	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	5028	msdcsc.exe
Token: SeSecurityPrivilege	5028	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5028	msdcsc.exe
Token: SeLoadDriverPrivilege	5028	msdcsc.exe
Token: SeSystemProfilePrivilege	5028	msdcsc.exe
Token: SeSystemtimePrivilege	5028	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5028	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5028	msdcsc.exe
Token: SeCreatePagefilePrivilege	5028	msdcsc.exe
Token: SeBackupPrivilege	5028	msdcsc.exe
Token: SeRestorePrivilege	5028	msdcsc.exe
Token: SeShutdownPrivilege	5028	msdcsc.exe
Token: SeDebugPrivilege	5028	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5028	msdcsc.exe
Token: SeChangeNotifyPrivilege	5028	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5028	msdcsc.exe
Token: SeUndockPrivilege	5028	msdcsc.exe
Token: SeManageVolumePrivilege	5028	msdcsc.exe
Token: SeImpersonatePrivilege	5028	msdcsc.exe
Token: SeCreateGlobalPrivilege	5028	msdcsc.exe
Token: 33	5028	msdcsc.exe
Token: 34	5028	msdcsc.exe
Token: 35	5028	msdcsc.exe
Token: 36	5028	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5028	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 5028	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe	82
PID 464 wrote to memory of 5028	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe	82
PID 464 wrote to memory of 5028	464	a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a12fdc7666d5f49dcaecec877e82b6f5_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
a12fdc7666d5f49dcaecec877e82b6f5

SHA1
c29c5d4c36228f30966da342f314a18b51dbe443

SHA256
bf9c152d5560b6af2440443e60392c36c929aa9e8e3533cb2fdee1d81a5103fe

SHA512
a47ccce5db58d78a050ef1e5116a419101db0b183b24347183ec601724d4ffb85b57bc993f755434a6997b97db929c8c54ce949950627bf1136395dec840cb9f

Download Submit
memory/464-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/464-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/5028-13-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/5028-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/5028-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads